Read again comment #8.
It was said that Lubitz had a Muslim girlfriend. It is unclear if she was still dating Lubitz at the time of the crash. It is unclear if he met her through his Muslims(sic) friends.
So, your entire argument, you're entire theory is based on a blog post that cites another blog post that says that "it was said" that his girlfriend was Muslim. THAT IS NOT EVIDENCE. Who said it? When? How did whoever "said" it know that she's a Muslim? What's the girlfriend's name?
You are wrong.